横向
1
Largest ocean on Earth
5
Deep narrow valley with steep sides
6
One of seven major landmasses
7
Ocean between Americas and Europe/Africa
纵向
2
Piece of land jutting into the sea
3
Raised area of land, smaller than a mountain
4
Region surrounding the North Pole
8
Region between the two tropic lines
9
City that is seat of government
10
Cold treeless Arctic plain
11
Large area covered with trees
12
Where river meets the sea